playing traunt, skipping school, missing lessons, can also apply to religious lessons
adam: i didnt see you in maths man?!
z: screw maths, i was bunking man, i went down my mates yard to watch the exorcist!
adam: cool!
(the next day)
teacher: z, why did you bunk maths yesterday?
z: coz i felt like it, what the hell are you gonna do?
teacher: ummm.....
by ismail February 10, 2005
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doin something, anything in surplus
man i was liftin weights, i was str8 bunking.

i sold all my shit, i was bunking on yall boyz
by deejay January 15, 2004
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1. Adding credibility to a hypothesis or myth
2. Bonin'
1. "Yo Jake, I saw an alligator in the sewer, just like the old myth."
"Whoa, bunk it up!"
2. Me and Lucie were bunking all night and now that bitch can't walk straight
by Ludate December 02, 2003
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amazingphil said it to tell his internet fans he's not having sex that night
"okay internet im going to bed now"
top or bottom bunk phil?
"no bunk!!!!!!"
by amazingchildisnotonfire September 15, 2013
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Bogus. Not genuine. Counterfeit. A total sham. Illegitimate. Nonsense.
Don't listen to her man, that's bunk.
by Zina December 13, 2006
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slang; meaning wack or extremely strange, originating on a low rent island in Maine. For some thing to be bunk it must make you want to cry laugh hysterically or most commonly; run for you life.
Ex: you live in a basement on the island down stairs from Bill Green’s kid and a half goat… wow that is bunk
by T-mack 1 February 10, 2010
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